UFSM - Laboratório de Geomática is the creator of the app which can be found in the Tools category. The most recent release was on Jul 10, 2015 and C7 AgroCalc was downloaded and installed by over 10K users. According to the latest data, this application is rated 4.6 on Google Play.
It's free of charge to get the installation package of C7 AgroCalc, also, you can take a look at users' reviews on Droid Informer. The app runs on Android 2.0 and above. The download of the app is safe and secure.